#include<stdio.h>
int main()
{
	char c;
	printf("please enter grade:\n ");
	scanf("%c",&c);
	switch(c)
    { 
       case 'A':printf("score range is 85-100");break;
	   case 'B':printf("score range is 70-84");break;
	   case 'C':printf("score range is 60-69");break;
	   case 'D':printf("score range is 0-59");break;
    }
	return 0;
}
